#!/bin/sh

# Given a .rrd filename, edit it with vi and restore the .rrd after 
# finished editing
#
# Written by Ian Berry, idea taken from Brady Alleman
# Re-modified for NetMRG

prefix="@prefix@"
localstatedir="@localstatedir@"
rrdtool="@RRDTOOL@"
editor="vi"
RRD_DIR="$localstatedir/lib/netmrg/rrd"

if [ ! -n "$1" ]
then
  echo "Usage rrdedit [RRD_FILENAME]"
  exit
fi

if [ ! -f "$RRD_DIR/$1" ]
then
  echo "Cannot locate file: '$RRD_DIR/$1'!"
  exit
fi

# dump it to temp
$rrdtool dump $RRD_DIR/$1 > /tmp/$1.xml

# make a backup
cp $RRD_DIR/$1 /tmp/$1.backup

# edit the xml
$editor /tmp/$1.xml

rm -f $RRD_DIR/$1

# restore the rrd
$rrdtool restore /tmp/$1.xml $RRD_DIR/$1